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Please Do Now (5 min). 38. Null. Review: In your own words, what is the Law of Conservation of Mass? What does it mean? New stuff: The pictures below show two different chemical reactions. For each one, write formulas for the element clumps on both sides of the arrow. Reaction #1. - PowerPoint PPT Presentation
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Please Do Now (5 min)Review: In your own words, what is the Law of Conservation of
Mass? What does it mean?
New stuff: The pictures below show two different chemical reactions. For each one, write formulas for the element clumps on both sides of the arrow.
Reaction #1 Reaction #2
before afterbefore after
Reaction #1
Reaction #2
Closing (5 min – SILENT)
A 1. Clicker: Which of the following equations is balanced?
B H2O H2 + O2C Mg + 2Cl MgCl2D O2 + C 2COE MgO Mg + O2F 2. Writing: How does balancing equations
show you the Law of Conservation of Matter?
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